| Northeim to Grevena | 970.47 mi (1,561.82 km) |
| Northeim to Ialysos | 1,380.69 mi (2,222.00 km) |
| Northeim to Ilion | 1,154.52 mi (1,858.02 km) |
| Northeim to Ilioupoli | 1,161.85 mi (1,869.82 km) |
| Northeim to Ioannina | 980.87 mi (1,578.55 km) |
| Northeim to Irakleio | 1,355.51 mi (2,181.47 km) |
| Northeim to Irakleio | 1,155.39 mi (1,859.41 km) |
| Northeim to Kaisariani | 1,160.00 mi (1,866.84 km) |
| Northeim to Kalamaria | 984.34 mi (1,584.14 km) |
| Northeim to Kalamata | 1,173.33 mi (1,888.29 km) |
| Northeim to Kallithea | 1,159.47 mi (1,865.99 km) |
| Northeim to Kalymnos | 1,311.70 mi (2,110.98 km) |
| Northeim to Kalyvia Thorikou | 1,172.43 mi (1,886.85 km) |
| Northeim to Kamatero | 1,153.29 mi (1,856.04 km) |
| Northeim to Karditsa | 1,026.44 mi (1,651.90 km) |
